There are various possible causes or network malfunctions for the linksys port forwarding not working issue. However, in order to correct it, you will need to verify the Port Forwarding configurations, which need to be precise. You can utilize the IP addresses of your devices and apps to assign them to the network in order to make the most out of port forwarding. However, be careful that none of your devices are using the same IP address, as this could cause port forwarding to stop functioning. Thus, the problem will be fixed if you verify the IP addresses of the allocated devices and reevaluate them if necessary.